mod: listener

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/animated_dialog.dart

@@ -31,13 +31,17 @@ class AnimatedDialogState extends State<AnimatedDialog>
     opacityAnimation = Tween<double>(begin: 0.0, end: 0.6)
         .animate(CurvedAnimation(parent: controller, curve: Curves.linear));
     scaleAnimation = CurvedAnimation(parent: controller, curve: Curves.linear);
-    controller.addListener(() => setState(() {}));
+    controller.addListener(listener);
     controller.forward();
   }
 
+  void listener() {
+    setState(() {});
+  }
+
   @override
   void dispose() {
-    controller.removeListener(() {});
+    controller.removeListener(listener);
     controller.dispose();
     super.dispose();
   }

lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart

@@ -127,10 +127,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
     _animationController = AnimationController(
       vsync: this,
       duration: const Duration(milliseconds: 300),
-    )..addListener(() {
+    )..addListener(listener);
-        _transformationController!.value =
-            _animation?.value ?? Matrix4.identity();
-      });
 
     if (widget.setStatusBar != false) {
       setStatusBar();
@@ -141,6 +138,10 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
     }
   }
 
+  void listener() {
+    _transformationController!.value = _animation?.value ?? Matrix4.identity();
+  }
+
   setStatusBar() async {
     if (Platform.isIOS || Platform.isAndroid) {
       await StatusBarControl.setHidden(
@@ -155,7 +156,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
     widget.onClose?.call(true);
     _player?.dispose();
     _pageController?.dispose();
-    _animationController.removeListener(() {});
+    _animationController.removeListener(listener);
     _animationController.dispose();
     if (widget.setStatusBar != false) {
       if (Platform.isIOS || Platform.isAndroid) {

lib/common/widgets/list_sheet.dart

@@ -105,6 +105,10 @@ class _ListSheetContentState extends State<ListSheetContent>
               .indexWhere((e) => e.cid == widget.currentCid)
           : episodes.indexWhere((e) => e.cid == widget.currentCid));
 
+  void listener() {
+    _indexStream?.add(_ctr?.index);
+  }
+
   @override
   void initState() {
     super.initState();
@@ -114,9 +118,7 @@ class _ListSheetContentState extends State<ListSheetContent>
         vsync: this,
         length: widget.season.sections.length,
         initialIndex: _index,
-      )..addListener(() {
+      )..addListener(listener);
-          _indexStream?.add(_ctr?.index);
-        });
     }
     itemScrollController = _isList
         ? List.generate(
@@ -148,7 +150,7 @@ class _ListSheetContentState extends State<ListSheetContent>
     _favStream = null;
     _indexStream?.close();
     _indexStream = null;
-    _ctr?.removeListener(() {});
+    _ctr?.removeListener(listener);
     _ctr?.dispose();
     super.dispose();
   }

lib/pages/bangumi/view.dart

@@ -43,12 +43,14 @@ class _BangumiPageState extends State<BangumiPage>
   @override
   void initState() {
     super.initState();
+    _bangumiController.scrollController.addListener(listener);
+  }
+
+  void listener() {
     StreamController<bool> mainStream =
         Get.find<MainController>().bottomBarStream;
     StreamController<bool> searchBarStream =
         Get.find<HomeController>().searchBarStream;
-    _bangumiController.scrollController.addListener(
-      () async {
     final ScrollDirection direction =
         _bangumiController.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -58,13 +60,11 @@ class _BangumiPageState extends State<BangumiPage>
       mainStream.add(false);
       searchBarStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _bangumiController.scrollController.removeListener(() {});
+    _bangumiController.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/dynamics/detail/view.dart

@@ -225,8 +225,10 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
 
   // 滑动事件监听
   void scrollListener() {
-    _dynamicDetailController.scrollController.addListener(
+    _dynamicDetailController.scrollController.addListener(listener);
-      () {
+  }
+
+  void listener() {
     // 标题
     if (_dynamicDetailController.scrollController.offset > 55 &&
         !_visibleTitle) {
@@ -239,15 +241,13 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
     }
 
     // fab按钮
-        final ScrollDirection direction = _dynamicDetailController
+    final ScrollDirection direction =
-            .scrollController.position.userScrollDirection;
+        _dynamicDetailController.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
       _showFab();
     } else if (direction == ScrollDirection.reverse) {
       _hideFab();
     }
-      },
-    );
   }
 
   void _showFab() {
@@ -269,7 +269,7 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
     _titleStreamC.close();
     _fabAnimationCtr?.dispose();
     _fabAnimationCtr = null;
-    _dynamicDetailController.scrollController.removeListener(() {});
+    _dynamicDetailController.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/dynamics/tab/view.dart

@@ -47,23 +47,7 @@ class _DynamicsTabPageState extends State<DynamicsTabPage>
         ..mid = dynamicsController.mid.value,
       tag: widget.dynamicsType,
     );
-    _dynamicsTabController.scrollController.addListener(() {
+    _dynamicsTabController.scrollController.addListener(listener);
-      try {
-        StreamController<bool> mainStream =
-            Get.find<MainController>().bottomBarStream;
-        StreamController<bool> searchBarStream =
-            Get.find<HomeController>().searchBarStream;
-        final ScrollDirection direction = _dynamicsTabController
-            .scrollController.position.userScrollDirection;
-        if (direction == ScrollDirection.forward) {
-          mainStream.add(true);
-          searchBarStream.add(true);
-        } else if (direction == ScrollDirection.reverse) {
-          mainStream.add(false);
-          searchBarStream.add(false);
-        }
-      } catch (_) {}
-    });
     if (widget.dynamicsType == 'up') {
       _listener = dynamicsController.mid.listen((mid) {
         // debugPrint('midListen: $mid');
@@ -76,10 +60,28 @@ class _DynamicsTabPageState extends State<DynamicsTabPage>
         .get(SettingBoxKey.dynamicsWaterfallFlow, defaultValue: true);
   }
 
+  void listener() {
+    try {
+      StreamController<bool> mainStream =
+          Get.find<MainController>().bottomBarStream;
+      StreamController<bool> searchBarStream =
+          Get.find<HomeController>().searchBarStream;
+      final ScrollDirection direction =
+          _dynamicsTabController.scrollController.position.userScrollDirection;
+      if (direction == ScrollDirection.forward) {
+        mainStream.add(true);
+        searchBarStream.add(true);
+      } else if (direction == ScrollDirection.reverse) {
+        mainStream.add(false);
+        searchBarStream.add(false);
+      }
+    } catch (_) {}
+  }
+
   @override
   void dispose() {
     _listener?.cancel();
-    _dynamicsTabController.scrollController.removeListener(() {});
+    _dynamicsTabController.scrollController.removeListener(listener);
     dynamicsController.mid.close();
     super.dispose();
   }

lib/pages/dynamics/view.dart

@@ -82,22 +82,22 @@ class _DynamicsPageState extends State<DynamicsPage>
     debugPrint('upPanelPosition: $upPanelPosition');
     if (GStorage.setting
         .get(SettingBoxKey.dynamicsShowAllFollowedUp, defaultValue: false)) {
-      _dynamicsController.scrollController.addListener(() {
+      _dynamicsController.scrollController.addListener(listener);
+    }
+  }
+
+  void listener() {
     if (_dynamicsController.scrollController.position.pixels >=
-            _dynamicsController.scrollController.position.maxScrollExtent -
+        _dynamicsController.scrollController.position.maxScrollExtent - 300) {
-                300) {
       EasyThrottle.throttle('following', const Duration(seconds: 1), () {
         _dynamicsController.queryFollowing2();
       });
     }
-      });
-    }
   }
 
   @override
   void dispose() {
-    _dynamicsController.tabController.removeListener(() {});
+    _dynamicsController.scrollController.removeListener(listener);
-    _dynamicsController.scrollController.removeListener(() {});
     super.dispose();
   }
 

lib/pages/fav_detail/view.dart

@@ -33,20 +33,20 @@ class _FavDetailPageState extends State<FavDetailPage> {
   void initState() {
     super.initState();
     mediaId = Get.parameters['mediaId']!;
-    _favDetailController.scrollController.addListener(
+    _favDetailController.scrollController.addListener(listener);
-      () {
+  }
+
+  void listener() {
     if (_favDetailController.scrollController.offset > 160) {
       _favDetailController.titleCtr.value = true;
     } else if (_favDetailController.scrollController.offset <= 160) {
       _favDetailController.titleCtr.value = false;
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _favDetailController.scrollController.removeListener(() {});
+    _favDetailController.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/follow/widgets/follow_list.dart

@@ -27,21 +27,21 @@ class _FollowListState extends State<FollowList> {
   void initState() {
     super.initState();
     _futureBuilderFuture = widget.ctr.queryFollowings('init');
-    scrollController.addListener(
+    scrollController.addListener(listener);
-      () async {
+  }
+
+  void listener() {
     if (scrollController.position.pixels >=
         scrollController.position.maxScrollExtent - 200) {
       EasyThrottle.throttle('follow', const Duration(seconds: 1), () {
         widget.ctr.queryFollowings('onLoad');
       });
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    scrollController.removeListener(() {});
+    scrollController.removeListener(listener);
     scrollController.dispose();
     super.dispose();
   }

lib/pages/follow/widgets/owner_follow_list.dart

@@ -37,16 +37,16 @@ class _OwnerFollowListState extends State<OwnerFollowList>
     mid = widget.ctr.mid;
     tagItem = widget.tagItem!;
     _futureBuilderFuture = followUpGroup('init');
-    scrollController.addListener(
+    scrollController.addListener(listener);
-      () async {
+  }
+
+  void listener() {
     if (scrollController.position.pixels >=
         scrollController.position.maxScrollExtent - 200) {
       EasyThrottle.throttle('follow', const Duration(seconds: 1), () {
         followUpGroup('onLoad');
       });
     }
-      },
-    );
   }
 
   // 获取分组下up
@@ -70,7 +70,7 @@ class _OwnerFollowListState extends State<OwnerFollowList>
 
   @override
   void dispose() {
-    scrollController.removeListener(() {});
+    scrollController.removeListener(listener);
     scrollController.dispose();
     super.dispose();
   }

lib/pages/hot/view.dart

@@ -33,12 +33,14 @@ class _HotPageState extends State<HotPage> with AutomaticKeepAliveClientMixin {
   @override
   void initState() {
     super.initState();
+    _hotController.scrollController.addListener(listener);
+  }
+
+  void listener() {
     StreamController<bool> mainStream =
         Get.find<MainController>().bottomBarStream;
     StreamController<bool> searchBarStream =
         Get.find<HomeController>().searchBarStream;
-    _hotController.scrollController.addListener(
-      () {
     final ScrollDirection direction =
         _hotController.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -48,13 +50,11 @@ class _HotPageState extends State<HotPage> with AutomaticKeepAliveClientMixin {
       mainStream.add(false);
       searchBarStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _hotController.scrollController.removeListener(() {});
+    _hotController.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/html/view.dart

@@ -113,13 +113,15 @@ class _HtmlRenderPageState extends State<HtmlRenderPage>
   @override
   void dispose() {
     fabAnimationCtr.dispose();
-    _htmlRenderCtr.scrollController.removeListener(() {});
+    _htmlRenderCtr.scrollController.removeListener(listener);
     super.dispose();
   }
 
   void scrollListener() {
-    _htmlRenderCtr.scrollController.addListener(
+    _htmlRenderCtr.scrollController.addListener(listener);
-      () {
+  }
+
+  void listener() {
     // 标题
     // if (scrollController.offset > 55 && !_visibleTitle) {
     //   _visibleTitle = true;
@@ -137,8 +139,6 @@ class _HtmlRenderPageState extends State<HtmlRenderPage>
     } else if (direction == ScrollDirection.reverse) {
       _hideFab();
     }
-      },
-    );
   }
 
   void _showFab() {

lib/pages/live/view.dart

@@ -37,12 +37,14 @@ class _LivePageState extends State<LivePage>
   @override
   void initState() {
     super.initState();
+    _controller.scrollController.addListener(listener);
+  }
+
+  void listener() {
     StreamController<bool> mainStream =
         Get.find<MainController>().bottomBarStream;
     StreamController<bool> searchBarStream =
         Get.find<HomeController>().searchBarStream;
-    _controller.scrollController.addListener(
-      () {
     final ScrollDirection direction =
         _controller.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -52,13 +54,11 @@ class _LivePageState extends State<LivePage>
       mainStream.add(false);
       searchBarStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _controller.scrollController.removeListener(() {});
+    _controller.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/live_room/controller.dart

@@ -181,7 +181,12 @@ class LiveRoomController extends GetxController {
           }
         });
         msgStream?.init();
-        scrollController.addListener(() {
+        scrollController.addListener(listener);
+      }
+    });
+  }
+
+  void listener() {
     if (scrollController.position.userScrollDirection ==
         ScrollDirection.forward) {
       disableAutoScroll.value = true;
@@ -192,13 +197,11 @@ class LiveRoomController extends GetxController {
         disableAutoScroll.value = false;
       }
     }
-        });
-      }
-    });
   }
 
   @override
   void onClose() {
+    scrollController.removeListener(listener);
     scrollController.dispose();
     super.onClose();
   }

lib/pages/media/view.dart

@@ -28,11 +28,12 @@ class _MediaPageState extends State<MediaPage>
   void initState() {
     super.initState();
     mediaController = Get.put(MediaController());
+    mediaController.scrollController.addListener(listener);
+  }
+
+  void listener() {
     StreamController<bool> mainStream =
         Get.find<MainController>().bottomBarStream;
-
-    mediaController.scrollController.addListener(
-      () {
     final ScrollDirection direction =
         mediaController.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -40,13 +41,11 @@ class _MediaPageState extends State<MediaPage>
     } else if (direction == ScrollDirection.reverse) {
       mainStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    mediaController.scrollController.removeListener(() {});
+    mediaController.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/member/new/member_page.dart

@@ -41,10 +41,18 @@ class _MemberPageNewState extends State<MemberPageNew>
       MemberControllerNew(mid: _mid),
       tag: _heroTag,
     );
-    _userController.scrollController.addListener(() {
+    _userController.scrollController.addListener(listener);
+  }
+
+  void listener() {
     _userController.scrollRatio.value =
         min(1.0, _userController.scrollController.offset.round() / 120);
-    });
+  }
+
+  @override
+  void dispose() {
+    _userController.scrollController.removeListener(listener);
+    super.dispose();
   }
 
   @override

lib/pages/member/view.dart

@@ -44,21 +44,21 @@ class _MemberPageState extends State<MemberPage>
     _futureBuilderFuture = _memberController.getInfo();
     _memberSeasonsFuture = _memberController.getMemberSeasons();
     _memberCoinsFuture = _memberController.getRecentCoinVideo();
-    _extendNestCtr.addListener(
+    _extendNestCtr.addListener(listener);
-      () {
+  }
+
+  void listener() {
     final double offset = _extendNestCtr.position.pixels;
     if (offset > 100) {
       appbarStream.add(true);
     } else {
       appbarStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _extendNestCtr.removeListener(() {});
+    _extendNestCtr.removeListener(listener);
     _extendNestCtr.dispose();
     appbarStream.close();
     super.dispose();

lib/pages/member_archive/view.dart

@@ -22,7 +22,7 @@ class _MemberArchivePageState extends State<MemberArchivePage> {
 
   @override
   void dispose() {
-    _memberArchivesController.scrollController.removeListener(() {});
+    _memberArchivesController.scrollController.removeListener(listener);
     super.dispose();
   }
 
@@ -34,19 +34,18 @@ class _MemberArchivePageState extends State<MemberArchivePage> {
     _memberArchivesController =
         Get.put(MemberArchiveController(), tag: heroTag);
     _futureBuilderFuture = _memberArchivesController.getMemberArchive('init');
-    _memberArchivesController.scrollController.addListener(
+    _memberArchivesController.scrollController.addListener(listener);
-      () {
+  }
+
+  void listener() {
     if (_memberArchivesController.scrollController.position.pixels >=
-            _memberArchivesController
+        _memberArchivesController.scrollController.position.maxScrollExtent -
-                    .scrollController.position.maxScrollExtent -
             200) {
       EasyThrottle.throttle(
           'member_archives', const Duration(milliseconds: 500), () {
         _memberArchivesController.onLoad();
       });
     }
-      },
-    );
   }
 
   @override

lib/pages/member_seasons/view.dart

@@ -21,7 +21,7 @@ class _MemberSeasonsPageState extends State<MemberSeasonsPage> {
 
   @override
   void dispose() {
-    _memberSeasonsController.scrollController.removeListener(() {});
+    _memberSeasonsController.scrollController.removeListener(listener);
     super.dispose();
   }
 
@@ -30,8 +30,10 @@ class _MemberSeasonsPageState extends State<MemberSeasonsPage> {
     super.initState();
     _futureBuilderFuture =
         _memberSeasonsController.getSeasonDetail('onRefresh');
-    _memberSeasonsController.scrollController.addListener(
+    _memberSeasonsController.scrollController.addListener(listener);
-      () {
+  }
+
+  void listener() {
     if (_memberSeasonsController.scrollController.position.pixels >=
         _memberSeasonsController.scrollController.position.maxScrollExtent -
             200) {
@@ -40,8 +42,6 @@ class _MemberSeasonsPageState extends State<MemberSeasonsPage> {
         _memberSeasonsController.onLoad();
       });
     }
-      },
-    );
   }
 
   @override

lib/pages/rank/controller.dart

@@ -44,22 +44,6 @@ class RankController extends GetxController with GetTickerProviderStateMixin {
       length: tabs.length,
       vsync: this,
     );
-    // 监听 tabController 切换
-    // if (enableGradientBg) {
-    //   tabController.animation!.addListener(() {
-    //     if (tabController.indexIsChanging) {
-    //       if (initialIndex.value != tabController.index) {
-    //         initialIndex.value = tabController.index;
-    //       }
-    //     } else {
-    //       final int temp = tabController.animation!.value.round();
-    //       if (initialIndex.value != temp) {
-    //         initialIndex.value = temp;
-    //         tabController.index = initialIndex.value;
-    //       }
-    //     }
-    //   });
-    // }
   }
 
   @override

lib/pages/rank/zone/view.dart

@@ -36,12 +36,14 @@ class _ZonePageState extends State<ZonePage>
     super.initState();
     _zoneController =
         Get.put(ZoneController(zoneID: widget.rid), tag: widget.rid.toString());
+    _zoneController.scrollController.addListener(listener);
+  }
+
+  void listener() {
     StreamController<bool> mainStream =
         Get.find<MainController>().bottomBarStream;
     StreamController<bool> searchBarStream =
         Get.find<HomeController>().searchBarStream;
-    _zoneController.scrollController.addListener(
-      () {
     final ScrollDirection direction =
         _zoneController.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -51,13 +53,11 @@ class _ZonePageState extends State<ZonePage>
       mainStream.add(false);
       searchBarStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _zoneController.scrollController.removeListener(() {});
+    _zoneController.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/rcmd/view.dart

@@ -32,12 +32,14 @@ class _RcmdPageState extends State<RcmdPage>
   @override
   void initState() {
     super.initState();
+    _controller.scrollController.addListener(listener);
+  }
+
+  void listener() {
     StreamController<bool> mainStream =
         Get.find<MainController>().bottomBarStream;
     StreamController<bool> searchBarStream =
         Get.find<HomeController>().searchBarStream;
-    _controller.scrollController.addListener(
-      () {
     final ScrollDirection direction =
         _controller.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -47,13 +49,11 @@ class _RcmdPageState extends State<RcmdPage>
       mainStream.add(false);
       searchBarStream.add(false);
     }
-      },
-    );
   }
 
   @override
   void dispose() {
-    _controller.scrollController.removeListener(() {});
+    _controller.scrollController.removeListener(listener);
     super.dispose();
   }
 

lib/pages/search_result/view.dart

@@ -35,17 +35,19 @@ class _SearchResultPageState extends State<SearchResultPage>
     );
 
     if (Get.arguments is int) {
-      _tabController.addListener(() {
+      _tabController.addListener(listener);
+    }
+  }
+
+  void listener() {
     if (Get.isRegistered<SSearchController>()) {
       Get.find<SSearchController>().initIndex = _tabController.index;
     }
-      });
-    }
   }
 
   @override
   void dispose() {
-    _tabController.removeListener(() {});
+    _tabController.removeListener(listener);
     _tabController.dispose();
     super.dispose();
   }

lib/pages/setting/pages/display_mode.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:flutter/services.dart';
@@ -21,9 +22,12 @@ class _SetDisplayModeState extends State<SetDisplayMode> {
 
   final ValueNotifier<int> page = ValueNotifier<int>(0);
   late final PageController controller = PageController()
-    ..addListener(() {
+    ..addListener(listener);
+
+  void listener() {
     page.value = controller.page!.round();
-    });
+  }
+
   @override
   void initState() {
     super.initState();
@@ -35,7 +39,7 @@ class _SetDisplayModeState extends State<SetDisplayMode> {
 
   @override
   void dispose() {
-    controller.removeListener(() {});
+    controller.removeListener(listener);
     controller.dispose();
     super.dispose();
   }

lib/pages/subscription_detail/view.dart

@@ -35,8 +35,10 @@ class _SubDetailPageState extends State<SubDetailPage> {
     id = Get.parameters['id']!;
     _futureBuilderFuture = _subDetailController.queryUserSubFolderDetail();
     titleStreamC = StreamController<bool>();
-    _controller.addListener(
+    _controller.addListener(listener);
-      () {
+  }
+
+  void listener() {
     if (_controller.offset > 160) {
       titleStreamC.add(true);
     } else if (_controller.offset <= 160) {
@@ -49,14 +51,12 @@ class _SubDetailPageState extends State<SubDetailPage> {
         _subDetailController.onLoad();
       });
     }
-      },
-    );
   }
 
   @override
   void dispose() {
     titleStreamC.close();
-    _controller.removeListener(() {});
+    _controller.removeListener(listener);
     _controller.dispose();
     super.dispose();
   }

lib/pages/video/detail/introduction/widgets/action_item.dart

@@ -82,7 +82,11 @@ class ActionItemState extends State<ActionItem> with TickerProviderStateMixin {
       );
 
       _animation = Tween<double>(begin: 0, end: -2 * pi).animate(controller!)
-        ..addListener(() {
+        ..addListener(listener);
+    }
+  }
+
+  void listener() {
     setState(() {
       _hideCircle = _animation?.value == -2 * pi;
       if (_hideCircle) {
@@ -92,8 +96,6 @@ class ActionItemState extends State<ActionItem> with TickerProviderStateMixin {
         }
       }
     });
-        });
-    }
   }
 
   void cancelTimer() {
@@ -104,7 +106,7 @@ class ActionItemState extends State<ActionItem> with TickerProviderStateMixin {
   @override
   void dispose() {
     cancelTimer();
-    _animation?.removeListener(() {});
+    _animation?.removeListener(listener);
     controller?.dispose();
     super.dispose();
   }

lib/pages/video/detail/reply/view.dart

@@ -75,14 +75,16 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
 
   @override
   void dispose() {
-    _videoReplyController.scrollController.removeListener(() {});
+    _videoReplyController.scrollController.removeListener(listener);
     fabAnimationCtr.dispose();
     super.dispose();
   }
 
   void scrollListener() {
-    _videoReplyController.scrollController.addListener(
+    _videoReplyController.scrollController.addListener(listener);
-      () {
+  }
+
+  void listener() {
     final ScrollDirection direction =
         _videoReplyController.scrollController.position.userScrollDirection;
     if (direction == ScrollDirection.forward) {
@@ -94,8 +96,6 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
         _hideFab();
       }
     }
-      },
-    );
   }
 
   void _showFab() {

lib/pages/video/detail/reply_new/view.dart

@@ -60,19 +60,21 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
 
   _autoFocus() async {
     await Future.delayed(const Duration(milliseconds: 300));
-    if (context.mounted) {
+    if (mounted) {
       FocusScope.of(context).requestFocus(replyContentFocusNode);
     }
   }
 
   _focusListener() {
-    replyContentFocusNode.addListener(() {
+    replyContentFocusNode.addListener(listener);
+  }
+
+  void listener() {
     if (replyContentFocusNode.hasFocus) {
       setState(() {
         toolbarType = 'input';
       });
     }
-    });
   }
 
   Future submitReplyAdd() async {
@@ -140,7 +142,7 @@ class _VideoReplyNewDialogState extends State<VideoReplyNewDialog>
     _publishStream.close();
     WidgetsBinding.instance.removeObserver(this);
     _replyContentController.dispose();
-    replyContentFocusNode.removeListener(() {});
+    replyContentFocusNode.removeListener(listener);
     replyContentFocusNode.dispose();
     super.dispose();
   }

lib/plugin/pl_player/view.dart

@@ -1193,11 +1193,13 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                               CurveTween(curve: Curves.easeOut)
                                   .animate(animController),
                             );
-                            animController.addListener(() {
+                            void listener() {
                               transformationController.value = anim.value;
-                            });
+                            }
+
+                            animController.addListener(listener);
                             await animController.forward(from: 0);
-                            animController.removeListener(() {});
+                            animController.removeListener(listener);
                             animController.dispose();
                           },
                           child: Text('还原屏幕'),